Merge pull request #581 from kevmoo/polymer

Merge pull request #581 from kevmoo/polymer

Locking down, cleaning up...
dwc: locking down members that likely should not be accessible from other libs


tiny tweaks


remove bad pub dependency


Several cleanups in polymer lib and compiler  - remove ScopedCss class (not needed after we removed the css mangling).  - remove 'Hashable'  - delete code that was moved to the 'codegen' and 'observe' packages, and switch   to those packages instead.


[boot.js] fix the order problem (issue #578)


Merge pull request #574 from kevmoo/polymer

removed a pile of unused imports
removed a pile of unused imports


fix event.dart


remove unused files


Remove abstract on PolymerElement. This also fixes https://code.google.com/p/dart/issues/detail?id=12254


A few extra fixes needed before publishing. ShadowDOMPolyfill tests still fail, but everything else is looking better.


update pubspec


cleanup comments


fixes for latest SDK


Refactoring our compiler: moving the css emitting code around a bit, remove css-mangling option.

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